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A261571 Number of possible prime patterns for centuries having exactly n primes. 1
1, 40, 780, 7528, 47878, 225044, 830270, 2459376, 5900602, 11555200, 18634704, 24942742, 27836859, 25913910, 20053913, 12815608, 6699888, 2829786, 948729, 245756, 47150, 6276, 518, 20 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..23.

CROSSREFS

Cf. A010956.

Cf. A038822 (number of primes between 100n and 100n+99).

Cf. A181098 (centuries without primes).

Cf. A186393-A186408 (centuries having 1 to 16 primes).

Cf. A186509 (centuries having 17 primes).

Cf. A186311 (first occurrences).

Sequence in context: A175603 A319308 A022073 * A010956 A006240 A126928

Adjacent sequences:  A261568 A261569 A261570 * A261572 A261573 A261574

KEYWORD

nonn,fini,full

AUTHOR

Tim Johannes Ohrtmann, Aug 27 2015

STATUS

approved

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Last modified April 19 10:39 EDT 2019. Contains 322255 sequences. (Running on oeis4.)